yeah the young lad obviously thought it was just going to be a bit of friendly sparring, then the old fella let rip lol
Maybe the point about being an old fella is that he doesn't have the time to mess around, and he knows how to end the fight
It's hard to say whether the young guy would do better in a 3 minute bout. Otoh, ime, it's rare for non-sports fights to last 3 minutes. It takes planning.
But, I also think that the "old guy" in the vid is a ringer. He might have been ranked or even a champ in his younger days.
"A man is rich when he has time and freewill. How he chooses to invest both will determine the return on his investment."